Fetal Development

Question 1

Zygote

Answer 1

Ovum + sperm

Question 2

Fetus

Answer 2

Organs have formed

Question 3

Totipotent Stem Cells

Answer 3

Differentiate into all cell types

Question 4

Pluripotent Stem Cells

Answer 4

Differentiate into more than one cell type

Question 5

Multipotent Stem Cells

Answer 5

Differentiate into limited, closely related types

Question 6

Sperm is deposited into the _____ and transported to the ____

Answer 6

Vagina

Uterine Tubes

Question 7

Sperm must be _____ before fertilization

Answer 7

Capacitated

Removal of outer acrosomal layer; release of acrosome enzymes

Question 8

Zona Pellucida

Answer 8

Shell around ova

Question 9

Sperm attach to ____ proteins on the ____

Fuses with _____

Answer 9

ZP3
ZP
Ova Cell Membrane

Question 10

Morula

Answer 10

Cluster of cells

➡️blastula

Question 11

Trophoblast

Answer 11

Outer blastula layer

Placenta

Question 12

Gastrulation

Answer 12

Embryo is restructured by cell migration

Amniotic cavity forms

Question 13

Germ Layers

Answer 13

Ectoderm (skin, Nervous tissue)

Mesoderm (muscle, skeletal, urinary, cardiovascular, reproductive)

Endoderm (gastrointestinal, respiratory epithelium)